IC 192KHZ SAMPL RATE CONV 28SSOP

 

SRC4192IDBRG4

Manufacturer Part NumberSRC4192IDBRG4
DescriptionIC 192KHZ SAMPL RATE CONV 28SSOP
ManufacturerTexas Instruments
TypeSample Rate Converter
SRC4192IDBRG4 datasheets

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Specifications of SRC4192IDBRG4

ApplicationsBroadcast, Consoles, ReceiversMounting TypeSurface Mount
Package / Case28-SSOPFor Use With296-18834 - EVAL MODULE FOR SRC4192
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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192kHz Stereo Asynchronous
Sample Rate Converters
FEATURES
AUTOMATIC SENSING OF THE INPUT-TO-
OUTPUT SAMPLING RATIO
WIDE INPUT-TO-OUTPUT SAMPLING RANGE:
16:1 to 1:16
SUPPORTS INPUT & OUTPUT SAMPLING
RATES UP TO 212kHz
DYNAMIC RANGE: 144dB (-60dbFS input,
BW = 20Hz to f
/2, A-Weighted)
S
THD+N: -140dB (0dbFS input, BW = 20Hz to
f
/2)
S
ATTENUATES SAMPLING AND REFERENCE
CLOCK JITTER
HIGH PERFORMANCE, LINEAR PHASE
DIGITAL FILTERING WITH BETTER THAN
140dB OF STOP BAND ATTENUATION
FLEXIBLE AUDIO SERIAL PORTS:
Master or Slave Mode Operation
2
Supports I
S, Left Justified, Right Justified, and
TDM Data Formats
Supports 16, 18, 20, or 24-Bit Audio Data
TDM Mode allows daisy chaining of up to eight
devices
SUPPORTS 24-, 20-, 18-, or 16-BIT INPUT AND
OUTPUT DATA
All output data is dithered from the internal
28-Bit data path
LOW GROUP DELAY OPTION FOR INTERPO-
LATION FILTER
DIRECT DOWNSAMPLING OPTION FOR
DECIMATION FILTER (SRC4193 ONLY)
SPI PORT PROVIDES ACCESS TO INTERNAL
CONTROL REGISTERS (SRC4193 ONLY)
SOFT MUTE FUNCTION
BYPASS MODE
PROGRAMMABLE DIGITAL OUTPUT
ATTENUATION (SRC4193 ONLY)
256 steps: 0dB to –127.5dB, 0.5dB/step
(1) U.S. Patent No. 7,262,716.
(2) Refer to the Applications Information section of this data sheet for details.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
SBFS022B – JUNE 2003 – REVISED SEPTEMBER 2007
POWER DOWN MODE
OPERATES FROM A SINGLE +3.3 VOLT
POWER SUPPLY
SMALL 28-LEAD SSOP PACKAGE
PIN COMPATIBLE WITH THE AD1896
(2)
(SRC4192 ONLY)
APPLICATIONS
DIGITAL MIXING CONSOLES
DIGITAL AUDIO WORKSTATIONS
AUDIO DISTRIBUTION SYSTEMS
BROADCAST STUDIO EQUIPMENT
HIGH-END A/V RECEIVERS
GENERAL DIGITAL AUDIO PROCESSING
DESCRIPTION
The SRC4192 and SRC4193 are asynchronous sample rate
converters designed for professional and broadcast audio
applications. The SRC4192 and SRC4193 combine a wide
input-to-output sampling ratio with outstanding dynamic range
and ultra low distortion. Input and output serial ports support
standard audio formats, as well as a Time Division Multi-
plexed (TDM) mode. Flexible audio interfaces allow the
SRC4192 and SRC4193 to connect to a wide range of audio
data converters, digital audio receivers and transmitters, and
digital signal processors.
The SRC4192 is a standalone pin programmed device, with
control pins for mode, data format, mute, bypass, and low
group delay functions. The SRC4193 is a software-controlled
device featuring a serial peripheral interface (SPI) port, which
is utilized to program all functions via internal control registers.
The SRC4192 and SRC4193 may be operated from a single
+3.3V power supply. A separate digital I/O supply (V
operates over the +1.65V to +3.6V supply range, allowing
greater flexibility when interfacing to current and future gen-
eration signal processors and logic devices. Both the
SRC4192 and SRC4193 are available in a 28-lead SSOP
package.
Copyright © 2003-2007, Texas Instruments Incorporated
www.ti.com
(1)
SRC4192
(1)
SRC4193
)
IO

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SRC4192IDBRG4 Summary of contents

  • Page 1

    ... Refer to the Applications Information section of this data sheet for details. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners. ...

  • Page 2

    ABSOLUTE MAXIMUM RATINGS Supply Voltage, V .......................................................... –0.3V to +4.0V DD Supply Voltage, V ........................................................... –0.3V to +4.0V IO Digital Input Voltage .......................................................... –0.3V to +4.0V Operating Temperature Range ........................................ – +85 C Storage Temperature Range ......................................... –65 ...

  • Page 3

    PIN CONFIGURATION (SRC4193) Top View RCKI SDIN 4 BCKI 5 LRCKI 6 VIO SRC4193 7 DGND 8 BYPAS RST 13 MUTE 14 SRC4192, SRC4193 SBFS022B PIN DESCRIPTIONS (SRC4193) ...

  • Page 4

    ELECTRICAL CHARACTERISTICS All parameters specified with +3.3V, and PARAMETER (1) DYNAMIC PERFORMANCE Resolution Input Sampling Frequency f SIN Output Sampling Frequency f SOUT Input: Output Sampling Ratio Upsampling Downsampling Dynamic Range ...

  • Page 5

    ELECTRICAL CHARACTERISTICS All parameters specified with +3.3V, and PARAMETER SWITCHING CHARACTERISTICS Reference Clock Timing (2), (3) RCKI Frequency RCKI Period t RCKIP RCKI Pulsewidth High t RCKIH RCKI Pulsewidth Low t ...

  • Page 6

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted FFT with 1kHz INPUT TONE at 0dBFS (12kHz:192kHz) 0 –20 –40 –60 –80 –100 –120 –140 –160 –180 0 20k ...

  • Page 7

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted FFT with 1kHz INPUT TONE at 0dBFS (44.1kHz:96kHz) 0 –20 –40 –60 –80 –100 –120 –140 –160 –180 0 10k ...

  • Page 8

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted FFT with 1kHz INPUT TONE at 0dBFS (48kHz:96kHz) 0 –20 –40 –60 –80 –100 –120 –140 –160 –180 0 10k ...

  • Page 9

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted FFT with 1kHz INPUT TONE at 0dBFS (96kHz:48kHz) 0 –20 –40 –60 –80 –100 –120 –140 –160 –180 0 5k ...

  • Page 10

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted FFT with 1kHz INPUT TONE at 0dBFS (192kHz:32kHz) 0 –20 –40 –60 –80 –100 –120 –140 –160 –180 0 2.5 ...

  • Page 11

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted FFT with 1kHz INPUT TONE at 0dBFS (192kHz:96kHz) 0 –20 –40 –60 –80 –100 –120 –140 –160 –180 0 10k ...

  • Page 12

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted FFT with 20kHz INPUT TONE at 0dBFS (96kHz:48kHz) 0 –20 –40 –60 –80 –100 –120 –140 –160 –180 0 5k ...

  • Page 13

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted THD+N vs INPUT AMPLITUDE f (44.1kHz:192kHz) –120 –125 –130 –135 –140 –145 –150 –155 –160 –140 –120 –100 –80 –60 ...

  • Page 14

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted LINEARITY with f = 200Hz IN (44.1kHz:48kHz) 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 –110 –120 ...

  • Page 15

    TYPICAL CHARACTERISTICS + +3.3V, and V = +3.3V, unless otherwise noted LINEARITY with f = 200Hz IN (192kHz:44.1kHz) 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 –110 –120 ...

  • Page 16

    PRODUCT OVERVIEW The SRC4192 and SRC4193 are asynchronous sample rate converters (ASRC) designed for professional audio applica- tions. Operation at input and output sampling frequencies up to 212kHz is supported, with an input/output sampling ratio range of 16:1 to 1:16. ...

  • Page 17

    SRC4192/4193 in Master mode. The input data is passed through interpolation filters which up-sample the data, which is then passed on to the re-sampler. The rate estimator compares the input and output sampling frequencies by comparing LRCKI, LRCKO, and ...

  • Page 18

    AUDIO PORT MODES The SRC4192 and SRC4193 both support seven serial port modes, which are shown in Table 1. For the SRC4192, the audio port mode is selected using the MODE0 (pin 26), MODE1 (pin 27), and MODE2 (pin 28) ...

  • Page 19

    The bit clock is either an input or output at BCKI (pin 5). In slave mode, BCKI is configured as an input pin, and may operate at rates from 32f to 128f ,with a minimum of one S S clock ...

  • Page 20

    The bit clock is either input or output at BCKO (pin 25). In Slave mode, BCKO is configured as an input pin, and may operate at rates from 32f to 128f , with a minimum of one S S clock ...

  • Page 21

    ... Byte don’t care byte. This byte is included in the protocol in order to maintain compatibility with current and future Texas Instruments’ digital audio products, including the DIT4096 and DIT4192 digital audio transmitters. Byte 2 contains the 8-bit data for the control register addressed in Byte 0 ...

  • Page 22

    CONTROL REGISTER DEFINITIONS (SRC4193 ONLY) This section contains detailed descriptions for each control register. Reset defaults are also defined for each register bit. Register 1: System Control Register Bit 7 (MSB) Bit 6 Bit 5 PDN TRACK 0 MODE[2:0] Audio ...

  • Page 23

    Register 2: Filter Control Register Bit 7 (MSB) Bit 6 Bit LGRP Low Group Delay This bit is used to select the number of input audio samples to be stored in the data buffer before the ...

  • Page 24

    Register 4: Digital Attenuation Register – Left Channel Bit 7 (MSB) Bit 6 Bit 5 AL7 AL6 AL5 Register defaults 0dB (unity gain). HEX Output Attenuation (dB) = (–N x 0.5), where N = AL[7:0] Register ...

  • Page 25

    ... AES/EBU, S/PDIF, and CP1201 communications. Texas Instruments manufactures the DIR1703 digital audio interface receiver and DIT4096/4192 digital audio transmit- ters to address these applications. Figure 12 illustrates interfacing the DIR1703 to the SRC4192 or SRC4193 input port ...

  • Page 26

    Figure 13 shows the interface between the SRC4192 or SRC4193 output port and the DIT4096 or DIT4192 audio serial port. Once again, the V supplies for both the IO SRC4192/4193 and DIT4096/4192 are set to +3.3V for compatibility. SRC4192, SRC4193 ...

  • Page 27

    The frame rate is equal to the output sampling frequency, f The BCKO frequency for the TDM interface is N*64f N is the number of devices included in the daisy chain. For Master mode, the output BCKO frequency is fixed ...

  • Page 28

    PIN COMPATIBILITY WITH THE ANALOG DEVICES AD1896 (SRC4192 ONLY) The SRC4192 is pin-and function-compatible with the AD1896 when observing the guidelines indicated in the following paragraphs. Power Supplies. To ensure compatibility, the VDD_IO and VDD_CORE supplies of the AD1896 must ...

  • Page 29

    DATE REVISION PAGE SECTION 9/ Front Page NOTE: Page numbers for previous revisions may differ from page numbers in the current version. SRC4192, SRC4193 SBFS022B Revision History DESCRIPTION Added U.S. patent number to note (1). www.ti.com 29 ...

  • Page 30

    ... PACKAGING INFORMATION (1) Orderable Device Status SRC4192IDB ACTIVE SRC4192IDBG4 ACTIVE SRC4192IDBR ACTIVE SRC4192IDBRG4 ACTIVE SRC4193IDB ACTIVE SRC4193IDBG4 ACTIVE SRC4193IDBR ACTIVE SRC4193IDBRG4 ACTIVE (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. ...

  • Page 31

    TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Type Drawing SRC4192IDBR SSOP DB SRC4193IDBR SSOP DB PACKAGE MATERIALS INFORMATION Pins SPQ Reel Reel A0 (mm) Diameter Width (mm) W1 (mm) 28 2000 330.0 16.4 8.1 28 ...

  • Page 32

    Device Package Type SRC4192IDBR SSOP SRC4193IDBR SSOP PACKAGE MATERIALS INFORMATION Package Drawing Pins SPQ Length (mm 2000 DB 28 2000 Pack Materials-Page 2 11-Mar-2008 Width (mm) Height (mm) 346.0 346.0 33.0 346.0 346.0 ...

  • Page 33

    DB (R-PDSO-G**) 28 PINS SHOWN 0, 2,00 MAX PINS ** DIM A MAX A MIN NOTES: A. All linear dimensions are in millimeters. B. This drawing is subject to change without notice. C. Body dimensions do not ...

  • Page 34

    ... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’ ...

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